California's largest steel arch bridge.

A downtown park built on top of unclaimed graves.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

Oddly shaped rock formation, misassociated with a nearby utopian community.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

The location where the iconic movie character declared it was time to go home.

A house carved into a rock in the 1940s.

This ghost town was once a cult-like religious utopian settlement.

Thousands of years ago, Indigenous people painted images onto these canyon walls that are still on display today, provocative, mysterious, and enduring reminders of the people who lived here long ago.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

This colorful theme park dedicated the official fruit of Maine serves sweet, tasty treats.

This nature mural exists to protect the surrounding environment and its own canvas from destruction.

Eco-friendly island mansion.

A single light illuminates one man's overshadowed contributions to street lamp history.

A mere dot on the map in the great north woods is the first place in America to vote in Presidential elections.

A beautiful Gilded Age hotel in the White Mountains with surprising diplomatic history.

This site was once the largest ski jump tower in the world.

The eccentric mansion of one of the most popular horror authors of modern times.

"X" marks the spot of an echo chamber in the middle of a plaza.

Hidden amid the old-world charm of Savannah is a museum dedicated to the world of oddities and criminal history.

Even Henry David Thoreau found this glacial pothole irresistible.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.